If you need to dump black or gray water, there are several options close to Monroe City, Missouri. Hunnewell Conservation Area has a dumping station available with fresh water and a hose for flushing tanks. Gander RV of Columbia also provides a dumping site for RVers with additional trash bins. Hickory Haven Campground offers a dump station as well as propane filling services for your convenience. Cuivre River State Park is another option with easy access to the highway and available waste disposal facilities.